The 6R80 auto features six forward gears and one reverse-First 4.17:1, Second 2.34:1, Third 1.52:1, Fourth 1.14:1, Fifth 0.87:1, and Sixth 0.69:1. The Bama tune had the car shifting at WOT between 6,900 and 7,300 rpm depending on which gear it was in.